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lansehaian

银虫 (小有名气)


[交流] 【求助】大倍率放电

用溶胶凝胶法制备了掺杂钴的尖晶石锰酸锂,在1C下放电,前四次用0.1C化成。放电比容量稳定在120mAh/g,但是一到第五次1C充放电,充电比容量马上衰减,降到40mAh/g,应该如何改进材料?
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万众瞩目

木虫 (著名写手)


lansehaian(金币+2): 2011-01-05 18:01:19
制备的材料不好,可能跟工艺过程有关,冲电极片,封装电池也可能影响电池的充放电性能,你思考下你的实验过程中可能出现的问题,不一定完全是材料的问题。
2楼2011-01-04 21:34:25
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